David H. Woods

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Pittsburgh, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Antenna apparatus for vehicle track rail signals
- Patent number 3,984,073
- Issue date Oct 5, 1976
- Westinghouse Electric Corporation
- David H. Woods
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Sequential occupancy release control method and apparatus for train...
- Patent number 3,979,092
- Issue date Sep 7, 1976
- Westinghouse Electric Corporation
- Robert H. Perry
- B61 - RAILWAYS
Information Patent Grant
Train vehicle protection apparatus including signal block occupancy...
- Patent number 3,958,781
- Issue date May 25, 1976
- Westinghouse Electric Corporation
- David H. Woods
- B61 - RAILWAYS
Information Patent Grant
Antenna apparatus for vehicle track rail signals
- Patent number 3,949,959
- Issue date Apr 13, 1976
- Westinghouse Electric Corporation
- Richard S. Rhoton
- B61 - RAILWAYS